A few weather facts about Christmas day in Rochester. Precipitation is recorded in inches. Snow on the ground is at 6 am.

Temperature

Normal High:

25

Normal Low:

10

Record High:

50 (1936)

Record Low:

-25 (2000)

Lowest High:

-6 (1996)

Highest Low:

31 (1973)

Precipitation

Record:

0.75 (1893)

Record Snowfall

10.3 (1955)

Record Snow on the Ground

29 (2010)

Number of times with a trace or more of snowfall:

49

Number of times with measurable (over a trace) of snowfall:

26

Number of times with an inch or more of snowfall:

14

Climatological chance for a trace or more of snowfall:

64%

Climatological chance for measurable (over a trace) of snowfall:

34%

Climatological chance of an inch or more of snowfall:

18%

Number of times with a trace or more of snow on the ground:

73

Number of times with an inch or more of snow on the ground:

61

Climatological chance of a trace or more on the ground:

95%

Climatological chance of an inch or more on the ground:

79%

With a "white" Christmas generally considered an inch of snow on the ground or an inch falling that day, Rochester has had "white" Christmases 61 times (out of 77) since 1933, or 79% of the time. The last non-white Christmas was in 2011. The years of 1936, 1941, 1942, and 1943 were excluded from the statistics due to missing data.